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Optical Fabrication

Improvement of magnetorheological finishing surface quality by nanoparticle jet polishing

[+] Author Affiliations
Wenqiang Peng

National University of Defense Technology, College of Mechatronics and Automation, DeYa, Changsha, Hunan Province 410073, China

Shengyi Li

National University of Defense Technology, College of Mechatronics and Automation, DeYa, Changsha, Hunan Province 410073, China

Chaoliang Guan, Xinmin Shen, Yifan Dai, Zhuo Wang

National University of Defense Technology, College of Mechatronics and Automation, DeYa, Changsha, Hunan Province 410073, China

Opt. Eng. 52(4), 043401 (Apr 15, 2013). doi:10.1117/1.OE.52.4.043401
History: Received August 2, 2012; Revised February 20, 2013; Accepted March 19, 2013
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Abstract.  Nanoparticle jet polishing (NJP) is presented as a posttreatment to remove magnetorheological finishing (MRF) marks. In the NJP process the material is removed by chemical impact reaction, and the material removal rate of convex part is larger than that of the concave part. Smoothing thus can progress automatically in the NJP process. In the experiment, a silica glass sample polished by MRF was polished by NJP. Experiment results showed the MRF marks were removed clearly. The uniform polishing process shows that the NJP process can remove the MRF marks without destroying the original surface figure. The surface root-mean-square roughness is improved from 0.72 to 0.41 nm. power spectral density analysis indicates the surface quality is improved, and the experimental result validates effective removal of MRF marks by NJP.

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© 2013 Society of Photo-Optical Instrumentation Engineers

Citation

Wenqiang Peng ; Shengyi Li ; Chaoliang Guan ; Xinmin Shen ; Yifan Dai, et al.
"Improvement of magnetorheological finishing surface quality by nanoparticle jet polishing", Opt. Eng. 52(4), 043401 (Apr 15, 2013). ; http://dx.doi.org/10.1117/1.OE.52.4.043401


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